Whoever, in middle age, attempts to realize the wishes and hopes of his early youth, invariably deceives himself. Each ten years of a man's life has its own fortunes, its own hopes, its own desires.

If there is confusion in your head and in your heart, what more do you want! A man who no longer loves and no longer errs should have himself buried straight away.

Daily life is more instructive than the most effective book.

Know thyself? If I knew myself I would run away.

The day is of infinite length for him who knows how to appreciate and use it.

Begin by instructing yourself, then you will receive instruction from others.

How circumscribed is woman's destiny!